The grades for the statistics final exam of a large class, Ask an Expert

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The grades for the Statistics final exam of a large class are normally distributed with a mean of 42 and a standard deviation of 16. The examiner is to assign Grades according to the following rule:

Grade A: top 10%
Grade B: the next 20%
Grade C: the middle 40%
Grade D: the next 20%
Grade F: the bottom 10%

Find the lowest score on the final exam that would qualify a student for:

(a) a Grade A

(b) a Grade C

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Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9114651

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